Guest Stars Ok Ye Rin as Cha Joon Hee Kim Gun Woo as Cha Joon Soo Kang Ki Young as Kim Sang Ryul Sung Joo as Ra Do Woo Kim Yeo Jin as Shim Eun Ha Jung Si Ah as Bong Sun Mi Seo Yi Sook as Kwon Young Shil Uhm Hyo Sup as Shim Woo Chul Cho Tae Kwan as K Park Si Won as Kim Seung Ki Yang Dong Geun as Cha Jung Il Kim Myung Soo as Moon Sung Soo